分层介质等效电磁参数理论推导的新方法及仿真验证  

New method for theoretical derivation of equivalent electromagnetic parameters of layered media and its simulation verification

作　　者：曹斌照 王海涛 马宁 CAO Binzhao;WANG Haitao;MA Ning(College of Physics and Photoelectric Engineering, Taiyuan University of Technology, Taiyuan 030024, China)

机构地区：[1]太原理工大学物理与光电工程学院

出　　处：《实验技术与管理》2019年第9期92-95,共4页Experimental Technology and Management

基　　金：2016年山西省高等学校教学改革创新项目(J2016013);2016年太原理工大学本科教育教学改革项目(ZD001);2017年教育部高等学校物理类专业教学指导委员会研究项目(JZW-17-SL-03);2017年教育部高等学校大学物理教学指导委员会研究项目(DWJZW201705hb);2018年山西省质量工程研究生教育教学改革课题(2018JG25)

摘　　要：基于电磁理论中极化强度矢量的定义和在电小尺寸条件下多层介质总阻抗的公式,用两种新方法推导出分层介质等效电磁参数的一般公式。两种方法的结果相同,也与现有文献中基于电容串并联方法的导出结论相一致。在此基础上,用分层复合介质构造了一种各向异性零折射率超材料,用COMSOL软件仿真了电磁波在常规介质和该种零折射率超材料分界面上传播的全反射现象,验证了该方法的正确性。Based on the definition of polarization intensity vector in electromagnetic theory and the formula of total impedance of multi-layered dielectrics in small size, two new methods are used to derive the general formula of equivalent electromagnetic parameters of multi-layered dielectrics. The results of the two methods are the same and are consistent with the conclusions derived from the capacitor series-parallel method in the existing literature. On this basis, an anisotropic zero refractive index metamaterial is constructed by layered composite medium. The total reflection phenomenon of electromagnetic wave propagating on the interface between conventional medium and zero refractive material is simulated by COMSOL software, and the correctness of this method is verified.

关 键 词：等效电磁参数 分层介质 电磁阻抗 全反射 电磁仿真 

分 类 号：O411.1[理学—理论物理]